I was having Linux i.e. Ubuntu operating system installed on my desktop. Last night, I was downloading games from internet and browsing was also going on simultaneously. Suddenly while browsing across the internet there was power failure. After some time the power supply was on, I restarted the system but it was not booting. The booting problem was due to dead CMOS battery. I need a solution to troubleshoot this problem so that I can restart my laptop again.
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